Simo-Kengne, Beatrice D.
Dikgang, Johane https://orcid.org/0000-0002-8076-4443
Ofstad, Sunita Prugsamatz
Funding for this research was provided by:
South Africa – Norway Research Cooperation programme (91326)
South African Department of Higher Education & Training (n/a)
Article History
Received: 2 June 2017
Accepted: 24 April 2018
First Online: 1 July 2018
Competing interests
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.